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Air quality in Britain has improved considerably in the last 30years. Total emissions of smoke in the air haverisen by over 85 per cent since 1950. The domestic (1)____smoking control program has been particularly important in (2)____achieving this result. London and other major cities are no (3)____longer have the dense smoke-laden “smogs” of the1950s, and in central London winter sunshine has (4)____increased about 70 per cent since 1958. (5)____ Since 1990, daily air pollution data from theBritish monitoring network has been made available (6)____to the public by the Department of the Environ-ment’s Air Quality Bulletins. These give the concen-trations of three main pollutants-ozone, nitrogendioxide and sulfur dioxide –and grade air qualityon a scale between “very weak” and “very (7)____good”. The information features in television andradio weather reports, appears in many national and (8)____local newspapers. Therefore, the data are available (9)____on a special free telephone number and on videotext systems. A comprehensive review of the issue of urbanair quality was published in January 1992. Threeindependent committees of which experts have been (10)____established to advise on different aspects of the problem, andwill set guidelines and targets for air quality. The network isalso being extended and upgraded at a cost of £10 million.
下列定义abc过程的语句,正确的是()
旅游团中有游客在游览时遭到蜂蛰,导游员应该怎么处理?
肝脓肿常见的致病菌为( )
利多卡因的一次限量为()。
股份有限公司在将重组债务转为资本时,股份的公允价值总额与相应的实收资本或股本之间的差额,应贷记的会计科目是()。
下列哪项细胞化学染色对急粒与急单的鉴别意义不大()
霍艳和丈夫来到某城市打工,由于人生地不熟,做的小本生意总是亏本,导致霍艳的丈夫性情大变,对霍艳总是看不顺眼。一天霍艳的丈夫让她帮忙买酒,她只说了一句“整天喝,生意还做不做了?”就惹来她丈夫一顿拳打脚踢。对于丈夫的变化,霍艳难以接受,萌生了离婚的念头,于是请社会工作者小萱帮忙拿主意。小萱协助霍艳分析了其个人及家庭的处境和可能的发展趋势,但并没有劝霍艳离婚或者不离婚。这体现了社会工作价值观的()。
患者,男性,28岁。施工时不慎从4米高处跌下,半小时后被送入急诊室。体检:血压4/2kPa(30/15mmHg),神清、气促、面色苍白、四肢发 凉、脉细弱,左侧胸压痛明显,胸廓塌陷、有骨擦感及反常呼吸征,左胸有一2cm×2.5cm创口,可听到气体出入创口响声,左侧呼吸音消失,右侧呼吸音减 低 询问伤情时还应重点了解哪些情况?()
在类风湿性关节炎急性期,对固定于夹板中的肢体应鼓励患者在白天每小时进行2~3分钟的肌肉等长收缩练习,防止肌肉萎缩。()
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Excel 2000启动后自动打开一个名为Book1.xls的文档。
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在Excel 2000中,下列说法正确的是()。